Created
April 27, 2014 00:57
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Giving Human Form to Audio Visualizers
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import ddf.minim.analysis.*; | |
import ddf.minim.*; | |
import gab.opencv.*; | |
import processing.video.*; | |
OpenCV opencv; | |
Capture video; | |
Minim minim; | |
AudioPlayer jingle; | |
FFT fft; | |
AudioInput in; | |
float[] angle; | |
float[] y, x; | |
ArrayList<PVector> coordinates; | |
void setup() | |
{ | |
coordinates = new ArrayList<PVector>(); | |
size(displayWidth, displayHeight, P3D); | |
video = new Capture(this, 640/2, 480/2); | |
opencv = new OpenCV(this, 640/2, 480/2); | |
opencv.startBackgroundSubtraction(5, 3, 0.5); | |
video.start(); | |
// size(1280,768,P3D); | |
minim = new Minim(this); | |
in = minim.getLineIn(Minim.STEREO, 2048, 192000.0); | |
fft = new FFT(in.bufferSize(), in.sampleRate()); | |
y = new float[fft.specSize()]; | |
x = new float[fft.specSize()]; | |
angle = new float[fft.specSize()]; | |
frameRate(240); | |
} | |
void draw() | |
{ | |
opencv.loadImage(video); | |
opencv.updateBackground(); | |
opencv.dilate(); | |
opencv.erode(); | |
background(0); | |
fft.forward(in.mix); | |
doubleAtomicSprocket(); | |
} | |
void doubleAtomicSprocket() { | |
for (Contour contour : opencv.findContours()) { | |
for (PVector point : contour.getPolygonApproximation().getPoints()) { | |
coordinates.add(new PVector(point.x, point.y, 0)); | |
} | |
} | |
noStroke(); | |
pushMatrix(); | |
for (int i = 0; i < fft.specSize() ; i++) { | |
y[i] = y[i] + fft.getBand(i)/100; | |
x[i] = x[i] + fft.getFreq(i)/100; | |
angle[i] = angle[i] + fft.getFreq(i)/2000; | |
fill(0, 255-fft.getFreq(i)*2, 255-fft.getBand(i)*2); | |
pushMatrix(); | |
if ((int)map(i, 0, fft.specSize(), 0, coordinates.size()) < coordinates.size()) { | |
translate((map((coordinates.get((int)map(i, 0, fft.specSize(), 0, coordinates.size())).x), 0, 640/2, displayWidth, 0))%displayWidth, | |
(map((coordinates.get((int)map(i, 0, fft.specSize(), 0, coordinates.size())).y), 0, 480/2, 0, displayHeight))%displayHeight); | |
rotateX(sin(angle[i]/2)); | |
rotateY(cos(angle[i]/2)); | |
translate(0, (x[i]+(map((coordinates.get((int)map(i, 0, fft.specSize(), 0, coordinates.size())).x), 0, 640/2, displayWidth/10, 0)))%width/5, | |
(y[i]+(map((coordinates.get((int)map(i, 0, fft.specSize(), 0, coordinates.size())).y), 0, 480/2, 0, displayHeight/10)))%height/5); | |
box(fft.getBand(i)/20+fft.getFreq(i)/15); | |
} | |
else { | |
rotateX(sin(angle[i]/2)); | |
rotateY(cos(angle[i]/2)); | |
translate(0,(x[i])%width, (y[i])%height); | |
box(fft.getBand(i)/20+fft.getFreq(i)/15); | |
} | |
popMatrix(); | |
} | |
popMatrix(); | |
coordinates.clear(); | |
} | |
void captureEvent(Capture c) { | |
c.read(); | |
} | |
void stop() | |
{ | |
// always close Minim audio classes when you finish with them | |
jingle.close(); | |
minim.stop(); | |
super.stop(); | |
} |
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Dude thank you so much for this!